gistfile1.perl

<?php
Class Mysql extends mysqli{
	private $revertDb = false;

	public function __construct($registry){
		// define registry property
		$this->registry = $registry;

		// initialize parent constructor
		parent::__construct($this->registry->config->database->hostname, $this->registry->config->database->username, $this->registry->config->database->password, $this->registry->config->database->database);
	}

	public function query(){
		// define $arguments
		$arguments = func_get_args();

		// define $argumentCount
		$argumentCount = count($arguments);

		switch($argumentCount){
			case 1:
				$sql = $this->escape_string($arguments[0]);
			break;

			default:
				$sql = vsprintf($arguments[0], array_map(array($this, 'escape_string'), array_slice($arguments, 1)));
			break;
		}

		// log queries
		$this->registry->logger->log($sql);	

		var_dump($this->revertDb);

		// check if we need to revert back to previous database
		if($this->revertDb){
			// revert back to default database
			$this->select_db($this->registry->config->database->database);

			// set revertDb property to false
			$this->revertDb = false;
		}

		// return query result
		return parent::query($sql);
	}

	// overload properties to allow for database name toggles, i.e. $this->databaseName->query
	public function __get($database){
		// define revertDb property
		$this->revertDb = true;

		// select database
		$this->select_db($database);

		// return self instance
		return $this;
	}
}
?>